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- All HBS Web
(1,350)
- People (1)
- News (192)
- Research (1,017)
- Events (12)
- Multimedia (8)
- Faculty Publications (532)
- August 1996 (Revised July 2008)
- Exercise
Network Assessment Exercise: Executive Version
Designed to help executives identify patterns in their approaches to developing networks of relationships. A "network" refers to the set of relationships that help people to advance professionally, get things done, and more generally, develop professionally and... View Details
Keywords: Networks
"Network Assessment Exercise: Executive Version." Harvard Business School Exercise 497-003, August 1996. (Revised July 2008.)
- August 2021
- Article
Anger Damns the Innocent
By: Katherine DeCelles, Gabrielle Adams, Holly S. Howe and Leslie K. John
False accusations of wrongdoing are common and can have grave consequences. In six studies, we document a worrisome paradox in perceivers’ subjective judgments of a suspect’s guilt. Specifically, we find that laypeople (online panelists; N = 4,983) use suspects’ angry... View Details
Keywords: Morality; Accusations; Deception; Guilt; Affect; Emotions; Behavior; Perception; Judgments; Decision Making
DeCelles, Katherine, Gabrielle Adams, Holly S. Howe, and Leslie K. John. "Anger Damns the Innocent." Psychological Science 32, no. 8 (August 2021): 1214–1226.
- 11 Jan 2010
- Research & Ideas
Mixing Open Source and Proprietary Software Strategies
approaching it product by product.” Their findings highlight the complexities managers face in navigating an increasingly competitive industry. But if there's no easy recipe for software firms, even in the seemingly ideal balance of mixed source, these results indicate... View Details
- 21 May 2013
- Working Paper Summaries
If Technology Has Arrived Everywhere, Why Has Income Diverged?
- 17 Aug 2011
- News
Americans Facing More Inequality, More Debt and Now More Trouble?
- 27 Sep 2018
- Working Paper Summaries
Large-Scale Demand Estimation with Search Data
- 27 Jan 2003
- Research & Ideas
New Cluster Mapping Project Helps Companies Locate Facilities
towards enhancing its cluster, both individually and collectively through trade organizations. The Cluster Mapping Project reveals the detailed patterns of cluster location across the United States. It allows an evaluation of whether a... View Details
Keywords: by Sean Silverthorne
- July 2023 (Revised July 2023)
- Background Note
Generative AI Value Chain
By: Andy Wu and Matt Higgins
Generative AI refers to a type of artificial intelligence (AI) that can create new content (e.g., text, image, or audio) in response to a prompt from a user. ChatGPT, Bard, and Claude are examples of text generating AIs, and DALL-E, Midjourney, and Stable Diffusion are... View Details
Keywords: AI; Artificial Intelligence; Model; Hardware; Data Centers; AI and Machine Learning; Applications and Software; Analytics and Data Science; Value
Wu, Andy, and Matt Higgins. "Generative AI Value Chain." Harvard Business School Background Note 724-355, July 2023. (Revised July 2023.)
- 2025
- Working Paper
How Do Voters Respond to Cues by Charismatic Leaders? Evidence from Brazil
By: Paula Rettl
While elite-cue effects on public opinion are well-documented, questions remain as
to when and why voters use elite cues to inform their opinions and behaviors. This
study contributes to answer these questions by testing whether voters react to cues
by charismatic... View Details
Keywords: Elites; Public Engagement; Politics; Political Affiliation; Political Campaigns; Political Influence; Political Leadership; Political Economy; Survey Research; COVID-19; COVID-19 Pandemic; COVID; Cognitive Psychology; Cognitive Biases; Political Elections; Voting; Power and Influence; Identity; Behavior; Latin America; Brazil
Rettl, Paula. "How Do Voters Respond to Cues by Charismatic Leaders? Evidence from Brazil." Harvard Business School Working Paper, No. 24-022, October 2023. (Revised June 2025.)
- March 2017
- Article
Entrepreneurial Beacons: The Yale Endowment, Run-ups, and the Growth of Venture Capital
By: Y. Sekou Bermiss, Benjamin J. Hallen, Rory McDonald and Emily Cox Pahnke
This paper investigates the social context of entrepreneurship in organizational sectors. Prior research suggests that firm foundings are driven by collective patterns of activity—that is, by patterns of prior foundings—including support from related markets as well as... View Details
Keywords: Signals; Social Salience; Venture Capital; Higher Education; Organizations; Entrepreneurship; Investment
Bermiss, Y. Sekou, Benjamin J. Hallen, Rory McDonald, and Emily Cox Pahnke. "Entrepreneurial Beacons: The Yale Endowment, Run-ups, and the Growth of Venture Capital." Strategic Management Journal 38, no. 3 (March 2017): 545–565.
- April 2008 (Revised July 2011)
- Module Note
Strategic Renewal
By: David J. Collis and Jan W. Rivkin
While it is relatively easy to identify why strategies fail, it is much harder to explain how to fix a failing strategy or build an organization that can continuously renew its strategy. This note identifies some patterns that distinguish companies whose renewal... View Details
Collis, David J., and Jan W. Rivkin. "Strategic Renewal." Harvard Business School Module Note 708-503, April 2008. (Revised July 2011.)
- 2011
- Working Paper
Entrepreneurship and the Discipline of External Finance
By: Ramana Nanda
I confirm the finding that the propensity to start a new firm rises sharply among those in the top five percentiles of personal wealth. This pattern is more pronounced for entrants in less capital intensive sectors. Prior to entry, founders in this group earn about 6%... View Details
Keywords: Business Startups; Competency and Skills; Entrepreneurship; Financing and Loans; Personal Finance; Wealth
Nanda, Ramana. "Entrepreneurship and the Discipline of External Finance." Harvard Business School Working Paper, No. 11-098, March 2011.
- 02 Jul 2020
- Working Paper Summaries
Inflation with COVID Consumption Baskets
Keywords: by Alberto Cavallo
- 2023
- Working Paper
Navigating the Jagged Technological Frontier: Field Experimental Evidence of the Effects of AI on Knowledge Worker Productivity and Quality
By: Fabrizio Dell'Acqua, Edward McFowland III, Ethan Mollick, Hila Lifshitz-Assaf, Katherine C. Kellogg, Saran Rajendran, Lisa Krayer, François Candelon and Karim R. Lakhani
The public release of Large Language Models (LLMs) has sparked tremendous interest in how humans will use Artificial Intelligence (AI) to accomplish a variety of tasks. In our study conducted with Boston Consulting Group, a global management consulting firm, we examine... View Details
Keywords: Large Language Model; AI and Machine Learning; Performance Efficiency; Performance Improvement
Dell'Acqua, Fabrizio, Edward McFowland III, Ethan Mollick, Hila Lifshitz-Assaf, Katherine C. Kellogg, Saran Rajendran, Lisa Krayer, François Candelon, and Karim R. Lakhani. "Navigating the Jagged Technological Frontier: Field Experimental Evidence of the Effects of AI on Knowledge Worker Productivity and Quality." Harvard Business School Working Paper, No. 24-013, September 2023.
- January 2022 (Revised January 2023)
- Technical Note
Legal Analysis: Sexual Misconduct in the Workplace
By: J.S. Nelson and Trevor Fetter
This background piece describes the spectrum of sexual misconduct, from sexual assault through sexual harassment to gender discrimination. It outlines the patterns involved in this behavior, the legal process for reporting it, and its prevalence both domestically and... View Details
Nelson, J.S., and Trevor Fetter. "Legal Analysis: Sexual Misconduct in the Workplace." Harvard Business School Technical Note 322-085, January 2022. (Revised January 2023.)
- 04 Dec 2018
- News
The Reason Many Ultrarich People Aren’t Satisfied With Their Wealth
- 08 Feb 2012
- News
New money fund rules could speed consolidation
- 2008
- Article
Industrial Specialization and Regional Clusters in the Ten New EU Member States
By: Orjan Solvell, Christian H.M. Ketels and Goran Lindqvist
Purpose—The purpose of this paper is to provide an analysis of regional concentration patterns within ten new European Union (EU) member states, EU10, and make comparisons with EU15 and the US economy.
Design/methodology/approach—Industrial... View Details
Design/methodology/approach—Industrial... View Details
Keywords: Geographic Location; Policy; Employment; Industry Clusters; Industry Structures; European Union; United States
Solvell, Orjan, Christian H.M. Ketels, and Goran Lindqvist. "Industrial Specialization and Regional Clusters in the Ten New EU Member States." Special Issue on Macro and Micro Level Competitiveness Competitiveness Review 18, nos. 1/2 (2008): 104 – 130.